Finding Common Denominators

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions, allowing them to be added or compared.

Front

How do you find the least common denominator (LCD) of two fractions?

Back

To find the least common denominator, list the multiples of each denominator and identify the smallest multiple that appears in both lists.

Front

What is the common denominator for the fractions 3/4 and 2/3?

Back

The common denominator is 12.

Front

Why is it necessary to find a common denominator when adding fractions?

Back

It is necessary to find a common denominator to ensure that the fractions are expressed in the same terms, allowing for accurate addition.

Tags

CCSS.7.NS.A.1C

Front

What is the first step in adding fractions with unlike denominators?

Back

The first step is to find a common denominator.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

If you have the fractions 1/6 and 1/4, what is their least common denominator?

Back

The least common denominator is 12.

Front

What is the result of adding 1/3 and 1/6?

Back

The result is 1/2.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

How do you convert fractions to have a common denominator?

Back

You can convert fractions to have a common denominator by multiplying the numerator and denominator of each fraction by the necessary factors to reach the common denominator.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the common denominator for 5/8 and 1/2?

Back

The common denominator is 8.

Front

In the fraction 12/15, what is the denominator?

Back

The denominator is 15.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B